Build fails as TaggedPtr is undefined for ppc64le

diff --git a/engines/ep/src/tagged_ptr.h b/engines/ep/src/tagged_ptr.h

index 4b3a046..75150a7 100644

--- a/engines/ep/src/tagged_ptr.h

+++ b/engines/ep/src/tagged_ptr.h

@@ -19,7 +19,7 @@

#include <memory>

-#if !__x86_64__ && !_M_X64 && !__s390x__

+#if !__x86_64__ && !_M_X64 && !__s390x__ && !__powerpc64__

 #error "TaggedPtr is x64 specific code. Not tested on other architectures"

 #endif

diff --git a/engines/ep/tests/ep_testsuite_xdcr.cc b/engines/ep/tests/ep_testsuite_xdcr.cc

index b55d732..a691c4d 100644

--- a/engines/ep/tests/ep_testsuite_xdcr.cc

+++ b/engines/ep/tests/ep_testsuite_xdcr.cc

@@ -2793,7 +2793,7 @@ static enum test_result test_cas_options_and_nmeta(EngineIface* h) {

 itemMeta.flags = 0xdeadbeef;

// Watson (4.6) accepts valid encodings, but ignores them

- std::vector<char> junkMeta = {-2,-1,2,3};

+ std::vector<char> junkMeta = {(-2,-1,2,3)};

int force = 0;